Home / 4,201.23-6,305.74-2,122.70

Finding the Fourth Proportional to 4,201.23, 6,305.74 and 2,122.70

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Solution

The fourth proportional to 4,201.23, 6,305.74 and 2,122.70 is: 3,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.23 : 6,305.74 = 2,122.70 : x
  2. Step 2: Convert to fraction form
    4,201.23/6,305.74 = 2,122.70/x
  3. Step 3: Cross multiply
    4,201.23x = 6,305.74 × 2,122.70
  4. Step 4: Simplify right side
    4,201.23x = 13,385,181.11
  5. Step 5: Solve for x
    x = 13,385,181.11/4,201.23
  6. Step 6: Final answer
    x = 3,186.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.